Answer:
9
Step-by-step explanation:
The mean is 21. The median is 15. The mode is 15. The range is 16.
I think the answer is B.
Hope this helps.
Answer:
see explanation
Step-by-step explanation:
To express a proper fraction in decimal form.
Divide the numerator by the denominator, that is
22 ÷ 7 ≈ 3.1429 ( to 4 decimal places )
Factor using the difference of squares.
a^2-b^2 = (a+b)(a-b)
100n^2-1
(10n+1)(10n-1)
Final answer: (10n+1)(10n-1)